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首页> 外文会议>Asphalt Rubber 2009 Conference(2009国际橡胶沥青大会） >Lab Simulation of Reflective Cracking By Load
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Lab Simulation of Reflective Cracking By Load

机译：载荷作用下反射裂纹的实验室模拟

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On reference to many lab simulations of reflective cracking, the simulation of reflective cracking by load was carried out in lab with the Hamburg wheel tracking test which was more reasonable than other fatigue tests because the load applied was similar to the actual situation. Four types of stress absorbing interlayer, including SBS modified asphalt sand interlayer, asphalt-rubber sand interlayer, fiberglass-polyester paving mat interlayer and SAMI(Stress absorbing membrane interlayer )were tested. Also tested was the specimen without any interlays to serve as a control. The paper introduced the material properties and gradations of five different specimens and the fatigue test employed cyclic round moving load on different stress absorbing interlayer specimens (including the specimens without interlayer) to asses their abilities to retard the development of reflective cracking by load. Finally, the paper built corresponding finite element models to analyze the test results.
机译：参照许多反射裂纹的实验室模拟，在实验室中使用汉堡轮循迹测试对载荷反射裂纹进行了模拟，该测试比其他疲劳测试更为合理，因为所施加的载荷与实际情况相似。测试了四种类型的应力吸收夹层，包括SBS改性沥青砂夹层，沥青-橡胶砂夹层，玻璃纤维-聚酯铺路垫夹层和SAMI（应力吸收膜夹层）。还测试了没有任何夹层的样品作为对照。本文介绍了五个不同试样的材料性能和等级，疲劳试验在不同的应力吸收夹层试样（包括无夹层试样）上采用了循环回弹移动载荷，以评估其通过载荷来抑制反射裂纹发展的能力。最后，建立了相应的有限元模型来分析测试结果。

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